SNS COLLEGE OF ENGINEERING
COIMBATORE - 641 107
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
Question Bank-Television and video Engineering
UNIT 1
Part-A
1.
What is meant by persistence of vision?
2. Define aspect ratio.
3. What do you understand by flicker?
4. What do you meant by interlaced scanning?
5. What is Horizontal and vertical scanning frequency for Interlaced scanning?
6. How many Horizontal lines will be lost during each vertical retrace?
7. What is horizontal resolution?
8. Differentiate monochrome and color camera tube.
9. Mention the major function of the camera tube?
10. List the contents of a composite video signal?
11. What is Photoconductivity
12. What are the advantages of Vidicon?
13. Mention the duration of various pulses used in the composite video signal.
14. What is Negative modulation?
15. Mention the advantages VSB modulation
16. What kind of modulation is used for sound signal? Why?
Part-B
1. Sketch the details of Horizontal blanking & sync pulses and explain it.
2. Justify the need for pre & post equalizing pulses.
3. What is VSB transmission & why is it used for transmission of TV picture signal.
4 .What is resolution?(Explain vertical & horizontal resolution). Derive an
expression for the highest video frequency in TV system
5. Explain image orthicon with neat sketch. State its advantages
6. Explain in detail Vidicon camera tube.
7. Explain solid state image scanner.